257492280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2145769}}^1$

素因数の和:2145783

約数の個数: 32

約数和(自身を含む): 772477200

約数和(自身を除く): 514984920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2145769, 4291538, 6437307, 8583076, 10728845, 12874614, 17166152, 21457690, 25749228, 32186535, 42915380, 51498456, 64373070, 85830760, 128746140, 257492280]

約数ペア:

[(1, 257492280), (2, 128746140), (3, 85830760), (4, 64373070), (5, 51498456), (6, 42915380), (8, 32186535), (10, 25749228), (12, 21457690), (15, 17166152), (20, 12874614), (24, 10728845), (30, 8583076), (40, 6437307), (60, 4291538), (120, 2145769)]